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HIPPARCOS First Results in the Double Star Processing by the FAST Consortium

Published online by Cambridge University Press:  12 April 2016

F. Mignard ,
M. Badiali ,
P.L. Bernacca ,
H. Bernstein ,
D. Cardini ,
A. Emanuele ,
J.L. Falin ,
M. Froeschlé ,
R. Hering  and
G. Prezioso
F. Mignard
Affiliation:
Observatoire de la Côte d’Azur / CERGA, Av. Copernic, F06130 Grasse, France
M. Badiali
Affiliation:
Istituto di Astrofisica Spaziale CNR, Frascati, Rome, Italy
P.L. Bernacca
Affiliation:
Department of Astronomy, University of Padova, Italy
H. Bernstein
Affiliation:
Astronomisches Rechen Institut, Heidelberg, Germany
D. Cardini
Affiliation:
Istituto di Astrofisica Spaziale CNR, Frascati, Rome, Italy
A. Emanuele
Affiliation:
Istituto di Astrofisica Spaziale CNR, Frascati, Rome, Italy
J.L. Falin
Affiliation:
Observatoire de la Côte d’Azur / CERGA, Av. Copernic, F06130 Grasse, France
M. Froeschlé
Affiliation:
Observatoire de la Côte d’Azur / CERGA, Av. Copernic, F06130 Grasse, France
R. Hering
Affiliation:
Astronomisches Rechen Institut, Heidelberg, Germany
G. Prezioso
Affiliation:
Tecnopolis – CSATA, Bari, Italy

Abstract

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After the processing of one year of observations carried out by HIPPARCOS it is possible to provide quantitative results as to the number of new double and multiple stars to be detected and the real capacity of this mission to perform relative astrometry on double stars. We present and discuss the methods developed to this end and include the first results concerning the detection statistics and the determination of separation and position angle for double stars. About 16,000 stars have been recognized as non-single, including 9,000 already known as double and mutliple before the mission. Also, a subset of 10,500 stars have been successfully solved for their relative coordinates with an accuracy in the range of 3 to 10 mas.

Type
Hipparcos First Results
Information
International Astronomical Union Colloquium , Volume 135: Complementary Approaches to Double and Multiple Star Research , 1992 , pp. 403 - 411
Copyright
Copyright © Astronomical Society of the Pacific 1992

References

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